HomeIgnition > Ignition Wire and Related ComponentsDenso 671-6304 Spark Plug Wire Set
Part #: 671-6304

Denso 671-6304 Spark Plug Wire Set

7mm
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦7mm
🚗Fitment: Buick and Chevrolet, Lucerne and Impala
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Reliable Spark Plug Wire Set for Buick and Chevrolet Vehicles

The Denso 7mm Spark Plug Wire Set (Part Number 671-6304) is designed to provide consistent ignition performance for select Buick and Chevrolet models. Engineered with durable silicone boots and precise terminal configurations, this set ensures reliable spark delivery for your Impala or Lucerne.

  • Silicone spark plug boot material for heat resistance and durability
  • 7.00 mm insulation outside diameter for optimal electrical insulation
  • Female distributor coil end terminals for secure connections
  • 120-degree angled female spark plug end boots for improved fitment
  • Includes four angled spark plug end boots for proper alignment

Detailed Features of the Denso 7mm Spark Plug Wire Set

This spark plug wire set features silicone boots that withstand high temperatures and resist cracking, ensuring long-lasting performance. The 7.00 mm insulation diameter provides effective protection against electrical interference and arcing. Both the distributor coil end and spark plug end terminals are female type, designed to fit securely on compatible ignition components. The spark plug end boots are angled at 120 degrees, which helps accommodate tight engine compartments and improves installation ease. This set includes four angled boots, matching the typical configuration for the specified vehicle models.

About the Denso 7mm Brand Line

The Denso 7mm brand line focuses on ignition wire sets with a 7.00 mm insulation diameter, balancing flexibility and durability. This line is engineered to meet the ignition demands of various vehicles, including Buick and Chevrolet models like the Impala and Lucerne. The 7mm wires provide reliable electrical insulation and consistent spark delivery, supporting efficient engine performance.

Compatible Vehicles and Common Applications

  • Compatible with Buick Impala ignition systems
  • Compatible with Chevrolet Lucerne ignition systems
  • Used to replace worn or damaged spark plug wires
  • Helps resolve misfires caused by faulty ignition wiring
  • Addresses issues with poor engine performance or rough idling

Installation Notes and Tips

When installing the Denso 671-6304 spark plug wire set, ensure that the 120-degree angled boots align properly with the spark plugs to avoid stress on the wires. Confirm that the female terminals are securely connected to both the distributor coil and spark plugs. It is recommended to replace all wires in the set simultaneously to maintain balanced ignition performance.

Quality Assurance and Warranty Information

Denso manufactures this spark plug wire set to meet OEM specifications for Buick and Chevrolet vehicles. The use of silicone boots and precise terminal design supports durability and reliable operation. While specific warranty details are not provided here, Denso products typically come with manufacturer-backed quality assurance to ensure performance and fitment.

BrandDenso
Part Number671-6304
Position7mm
Bushing Material4
Distributor Coil End Terminal TypeFemale
Insulation Outside Diameter7.00
Spark Plug Boot MaterialSilicone
Spark Plug End Boot Degree120
Spark Plug End Terminal TypeFEMALE

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2011BuickLucerneN/A7mm
2011ChevroletImpalaN/A7mm

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.